# HelpEventHandler

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (4.0.0.0)

Represents the method that will handle the [HelpRequested](https://docs.wisej.com/api/wisej.web/general/control/..#helprequested) event of a [Control](https://docs.wisej.com/api/wisej.web/general/control).

{% tabs %}
{% tab title="C#" %}

```csharp
public delegate void HelpEventHandler(Object sender, HelpEventArgs hlpevent)
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Delegate Sub HelpEventHandler(ByVal sender As [Object], ByVal hlpevent As HelpEventArgs)
```

{% endtab %}
{% endtabs %}

## Parameters

| Name         | Type                                                                                          | Description                                                                                                                          |
| ------------ | --------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------ |
| **sender**   | [Object](https://docs.microsoft.com/dotnet/api/system.object)                                 | The source of the event.                                                                                                             |
| **hlpevent** | [HelpEventArgs](https://docs.wisej.com/api/wisej.web/general/control/wisej.web.helpeventargs) | A [HelpEventArgs](https://docs.wisej.com/api/wisej.web/general/control/wisej.web.helpeventargs) object that contains the event data. |

## Fired By

| Name                                                                                           | Description                                                     |
| ---------------------------------------------------------------------------------------------- | --------------------------------------------------------------- |
| [Control.HelpRequested](https://docs.wisej.com/api/wisej.web/general/control/..#helprequested) | Fired when the user requests help for a control by pressing F1. |